P54x/EN VH/La4 Firmware and Service Manual
Version History
(VH) 16-10 MiCOM P543, P544, P545 & P546
H
Relay type: P54x …
Software
Version
Major Minor
Hardware
Suffix
Original
Date of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
C B May 2001
Internal release for validation only - runs on phase 2 hardware with
a new co-processor board
Support for new co-processor board added
In non GPS mode the char modification timer has been made
visible in P545/6
The char modification timer setting was not being seen by the
co-processor board
GPS detected flag was not cleared when switching from GPS
to non GPS mode
Equal prop delay command was not resetting inhibit following
a comms. switch
Problem displaying Rx & Tx when comms. path was short
fixed
Opto filtering corrected
Note: Non of the above are relevant to software in production
As per 10A -
10
Cont.
D B Jun 2001
Internal release for validation only - runs on phase 2 hardware with
a new co-processor board
Prevent loss of measurements in 3 ended schemes
Added a 1s drop off timer to C diff inhibit
Changed max value of char mod timer to 2s
Increased number of PSL timers to 16 (all models)
Corrected PSL default reference
Added a setting to P543/5 AR to select which edge of trip
initiates AR
V2.01b
(not issued)
-